Goffin stays inpublished at 09:42 Greenwich Mean Time 23 January 2017
In the men's draw, 11th seed David Goffin overcame Austria's eighth seed Dominic Thiem 5-7 7-6 (7-4) 6-2 6-2.
The Belgian will face a quarter-final against Grigor Dimitrov, who is through after Denis Istomin - the vanquisher of Novak Djokovic - retired hurt.